[INFO] updating cached repository https://github.com/paritytech/parity-codec
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] [stderr] From https://github.com/paritytech/parity-codec
[INFO] [stderr]  * [new branch]      ci_opts    -> ci_opts
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e8cd17dd1fac20c35c6433cc598d649ea330dc44
[INFO] checking paritytech/parity-codec against master#4fb54ed484e2239a3e9eff3be17df00d2a162be3 for pr-73345
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparitytech%2Fparity-codec" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/paritytech/parity-codec on toolchain 4fb54ed484e2239a3e9eff3be17df00d2a162be3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/paritytech/parity-codec
[INFO] removed workspace from git repo https://github.com/paritytech/parity-codec
[INFO] removed path dependency parity-scale-codec-derive from git repo https://github.com/paritytech/parity-codec
[INFO] removed path dependency parity-scale-codec-derive from git repo https://github.com/paritytech/parity-codec
[INFO] finished tweaking git repo https://github.com/paritytech/parity-codec
[INFO] tweaked toml for git repo https://github.com/paritytech/parity-codec written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 13fbdad29c4861972850548f94c3e3a45982a82dcdffec621de39b00d426a99e
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "13fbdad29c4861972850548f94c3e3a45982a82dcdffec621de39b00d426a99e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "13fbdad29c4861972850548f94c3e3a45982a82dcdffec621de39b00d426a99e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13fbdad29c4861972850548f94c3e3a45982a82dcdffec621de39b00d426a99e", kill_on_drop: false }`
[INFO] [stdout] 13fbdad29c4861972850548f94c3e3a45982a82dcdffec621de39b00d426a99e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:6c9ffe128752d56c8d75334ed354142a5229917ed99767f56566dd8e857ad726" "/opt/rustwide/cargo-home/bin/cargo" "+4fb54ed484e2239a3e9eff3be17df00d2a162be3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b6c5b6dc1a7d4ddd1be6d50ea141dd1b29b1d75e5c8960570fd18da430aa0ef
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "4b6c5b6dc1a7d4ddd1be6d50ea141dd1b29b1d75e5c8960570fd18da430aa0ef", kill_on_drop: false }`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling serde v1.0.112
[INFO] [stderr]    Compiling libc v0.2.71
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling getrandom v0.1.14
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling syn v1.0.31
[INFO] [stderr]    Compiling rayon-core v1.7.1
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking itoa v0.4.6
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking ppv-lite86 v0.2.8
[INFO] [stderr]     Checking same-file v1.0.6
[INFO] [stderr]     Checking oorandom v11.1.2
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking itertools v0.9.0
[INFO] [stderr]     Checking thread_local v1.0.1
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking walkdir v2.3.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]    Compiling memoffset v0.5.4
[INFO] [stderr]    Compiling crossbeam-epoch v0.8.2
[INFO] [stderr]    Compiling num-traits v0.2.12
[INFO] [stderr]    Compiling rayon v1.3.1
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking csv-core v0.1.10
[INFO] [stderr]     Checking clap v2.33.1
[INFO] [stderr]    Compiling cast v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking regex v1.3.9
[INFO] [stderr]     Checking crossbeam-deque v0.7.3
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking criterion-plot v0.4.2
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking plotters v0.2.15
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking quickcheck v0.9.2
[INFO] [stderr]     Checking serde_json v1.0.55
[INFO] [stderr]     Checking bstr v0.2.13
[INFO] [stderr]     Checking parity-scale-codec v1.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]     Checking csv v1.1.3
[INFO] [stderr]     Checking tinytemplate v1.1.0
[INFO] [stderr]    Compiling serde_derive v1.0.112
[INFO] [stderr]    Compiling proc-macro-crate v0.1.4
[INFO] [stderr]    Compiling parity-scale-codec-derive v1.2.0
[INFO] [stderr]     Checking criterion v0.3.2
[INFO] [stdout] error[E0424]: expected value, found module `self`
[INFO] [stdout]    --> tests/mod.rs:542:27
[INFO] [stdout]     |
[INFO] [stdout] 537 |                 field: u8
[INFO] [stdout]     |                 --------- this function has a `self` parameter, but a macro invocation can only access identifiers it receives from parameters
[INFO] [stdout] ...
[INFO] [stdout] 542 |     make_struct!(#[derive(Encode, Decode)]);
[INFO] [stdout]     |                           ^^^^^^ `self` value is a keyword only available in methods with a `self` parameter
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `decode_from` has an incompatible type for trait
[INFO] [stdout]   --> tests/single_field_struct_encoding.rs:14:61
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, PartialEq, Eq, Clone, Copy, Encode, Decode, CompactAs)]
[INFO] [stdout]    |                                                             ^^^^^^^^^ expected enum `std::result::Result`, found struct `SSkip`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(_) -> std::result::Result<SSkip, _::_parity_scale_codec::Error>`
[INFO] [stdout]               found fn pointer `fn(_) -> SSkip`
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `decode_from` has an incompatible type for trait
[INFO] [stdout]   --> tests/single_field_struct_encoding.rs:36:61
[INFO] [stdout]    |
[INFO] [stdout] 36 | #[derive(Debug, PartialEq, Eq, Clone, Copy, Encode, Decode, CompactAs)]
[INFO] [stdout]    |                                                             ^^^^^^^^^ expected enum `std::result::Result`, found struct `U`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(_) -> std::result::Result<U, _::_parity_scale_codec::Error>`
[INFO] [stdout]               found fn pointer `fn(_) -> U`
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `decode_from` has an incompatible type for trait
[INFO] [stdout]   --> tests/single_field_struct_encoding.rs:40:61
[INFO] [stdout]    |
[INFO] [stdout] 40 | #[derive(Debug, PartialEq, Eq, Clone, Copy, Encode, Decode, CompactAs)]
[INFO] [stdout]    |                                                             ^^^^^^^^^ expected enum `std::result::Result`, found struct `U2`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(_) -> std::result::Result<U2, _::_parity_scale_codec::Error>`
[INFO] [stdout]               found fn pointer `fn(_) -> U2`
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0053]: method `decode_from` has an incompatible type for trait
[INFO] [stdout]   --> tests/single_field_struct_encoding.rs:44:61
[INFO] [stdout]    |
[INFO] [stdout] 44 | #[derive(Debug, PartialEq, Eq, Clone, Copy, Encode, Decode, CompactAs)]
[INFO] [stdout]    |                                                             ^^^^^^^^^ expected enum `std::result::Result`, found struct `USkip`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected fn pointer `fn(_) -> std::result::Result<USkip, _::_parity_scale_codec::Error>`
[INFO] [stdout]               found fn pointer `fn(_) -> USkip`
[INFO] [stdout]    = note: this error originates in a derive macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0053`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `parity-scale-codec`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0424`.
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "4b6c5b6dc1a7d4ddd1be6d50ea141dd1b29b1d75e5c8960570fd18da430aa0ef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b6c5b6dc1a7d4ddd1be6d50ea141dd1b29b1d75e5c8960570fd18da430aa0ef", kill_on_drop: false }`
[INFO] [stdout] 4b6c5b6dc1a7d4ddd1be6d50ea141dd1b29b1d75e5c8960570fd18da430aa0ef